Log In
Mineral Hill group (Western Copper; Monmouth - Climax), Spenceville, Spenceville Mining District, Nevada County, California, USAi
| Regional Level Types | |
|---|---|
| Mineral Hill group (Western Copper; Monmouth - Climax) | - not defined - |
| Spenceville | - not defined - |
| Spenceville Mining District | Mining District |
| Nevada County | County |
| California | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
39° 9' 0'' North , 121° 15' 31'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Smartsville | 177 (2016) | 7.3km |
| Penn Valley | 1,621 (2011) | 7.7km |
| Beale Air Force Base | 1,319 (2011) | 9.4km |
| Lake Wildwood | 4,991 (2011) | 10.5km |
| Rough and Ready | 963 (2011) | 13.8km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 19km |
| Sutter Buttes Gem & Mineral Society | Marysville, California | 29km |
| Roseville Rock Rollers | Roseville, California | 44km |
| Feather River Lapidary & Mineral Society | Oroville, California | 48km |
A former lode Cu-Au occurrence/mine located in sec. 13, T15N, R6E, MDM, 4.0 km (2.5 miles) NNE of Spenceville, SE of Allenwood Hill, W of Hackett Creek. Owed/operated by C. C. Bitner. MRDS database accuracy for this location is not stated.
The ore body strikes N26W and dips E at a thickness of 9.14 meters. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include underground openings with a length of 80.77 meters and an overall depth of 45.72 meters and comprised of a 15 foot shaft, a 150 foot deep inclined shaft, a 70 foot tunnel, a crosscut and a 30 foot deep shaft. In 1908 the mining company was driving a deep tunnel to obtain 500 feet of depth under the best of its claims.
A considerable amount of carbonate ore was shipped from this mine and was said to have had a value of $12.50 (period values) Au/ton and 10% Cu.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Databases
| Link to USGS MRDS: | 10031665 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
